> For the complete documentation index, see [llms.txt](https://devdocs.brightpay.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://devdocs.brightpay.com/authentication.md).

# Authentication

The BrightPay API supports OAuth 2.0 integration. The integration assumes

* That your customer (user) has a Bright ID set up. To get a Bright ID for testing please see <https://id.brightsg.com/sign-up>.
* The customer's Bright ID has access to BrightPay. To get a trial of BrightPay please see <https://brightsg.com/en-gb/brightpay/brightpay-cloud-free-trial>.&#x20;
* Within the BrightPay application the customer has Employers and Employees set up correctly. In order to configure BrightPay to allow testing please see[ Configuring BrightPay for Testing](/configuring-brightpay-for-testing.md).
* Your application has a Bright Client Id and Secret in order to retrieve an Access Token. To get a Bright Client Id and Secret please email <jake.curry@brightsg.com>.


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